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annotate src/http/modules/proxy/ngx_http_proxy_cache.c @ 189:c966c09be66b

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nginx-0.0.1-2003-11-18-19:49:00 import
author Igor Sysoev <igor@sysoev.ru>
date Tue, 18 Nov 2003 16:49:00 +0000
parents c1f3a3c7c5db
children 02a715e85df1
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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1
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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2 #include <ngx_config.h>
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3 #include <ngx_core.h>
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4 #include <ngx_http.h>
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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5 #include <ngx_http_proxy_handler.h>
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8 static int ngx_http_proxy_process_cached_response(ngx_http_proxy_ctx_t *p,
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9 int rc);
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aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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10 static int ngx_http_proxy_process_cached_header(ngx_http_proxy_ctx_t *p);
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11 static void ngx_http_proxy_cache_look_complete_request(ngx_http_proxy_ctx_t *p);
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13
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c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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14 int ngx_http_proxy_get_cached_response(ngx_http_proxy_ctx_t *p)
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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15 {
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aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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16 char *last;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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17 ngx_http_request_t *r;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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18 ngx_http_proxy_cache_t *c;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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19 ngx_http_proxy_upstream_conf_t *u;
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c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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21 r = p->request;
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c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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23 if (!(c = ngx_pcalloc(r->pool, sizeof(ngx_http_proxy_cache_t)))) {
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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24 return NGX_HTTP_INTERNAL_SERVER_ERROR;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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25 }
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26
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27 p->cache = c;
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28
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c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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29 c->ctx.file.fd = NGX_INVALID_FILE;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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30 c->ctx.file.log = r->connection->log;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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31 c->ctx.path = p->lcf->cache_path;
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32
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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33 u = p->lcf->upstream;
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34
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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35 c->ctx.key.len = u->url.len + r->uri.len - u->location->len + r->args.len;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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36 if (!(c->ctx.key.data = ngx_palloc(r->pool, c->ctx.key.len + 1))) {
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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37 return NGX_HTTP_INTERNAL_SERVER_ERROR;
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38 }
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c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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40 last = ngx_cpymem(c->ctx.key.data, u->url.data, u->url.len);
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c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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42 last = ngx_cpymem(last, r->uri.data + u->location->len,
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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43 r->uri.len - u->location->len);
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44
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45 if (r->args.len > 0) {
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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46 *(last++) = '?';
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47 last = ngx_cpymem(last, r->args.data, r->args.len);
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48 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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49 *last = '\0';
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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50
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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51 p->header_in = ngx_create_temp_hunk(r->pool, p->lcf->header_buffer_size);
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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52 if (p->header_in == NULL) {
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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53 return NGX_HTTP_INTERNAL_SERVER_ERROR;
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54 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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55 p->header_in->tag = (ngx_hunk_tag_t) &ngx_http_proxy_module;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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56
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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57 c->ctx.buf = p->header_in;
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59 return ngx_http_proxy_process_cached_response(p,
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60 ngx_http_cache_get_file(r, &c->ctx));
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61 }
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64 static int ngx_http_proxy_process_cached_response(ngx_http_proxy_ctx_t *p,
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65 int rc)
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66 {
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67 if (rc == NGX_OK) {
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68 p->state->cache_state = NGX_HTTP_PROXY_CACHE_HIT;
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69 p->header_in->pos = p->header_in->start + p->cache->ctx.header_size;
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70
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71 if (ngx_http_proxy_process_cached_header(p) == NGX_ERROR) {
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72 return NGX_HTTP_INTERNAL_SERVER_ERROR;
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73 }
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75 p->valid_header_in = 1;
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76
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77 return ngx_http_proxy_send_cached_response(p);
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78 }
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80 if (rc == NGX_HTTP_CACHE_STALE) {
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81 p->state->cache_state = NGX_HTTP_PROXY_CACHE_EXPR;
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82
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83 } else if (rc == NGX_HTTP_CACHE_AGED) {
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84 p->state->cache_state = NGX_HTTP_PROXY_CACHE_AGED;
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85 }
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86
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87 if (rc == NGX_HTTP_CACHE_STALE || rc == NGX_HTTP_CACHE_AGED) {
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88 p->header_in->pos = p->header_in->start + p->cache->ctx.header_size;
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89
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90 if (ngx_http_proxy_process_cached_header(p) == NGX_ERROR) {
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91 return NGX_HTTP_INTERNAL_SERVER_ERROR;
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92 }
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93
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94 p->header_in->pos = p->header_in->start + p->cache->ctx.header_size;
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95 p->header_in->last = p->header_in->pos;
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96
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97 p->stale = 1;
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98 p->valid_header_in = 1;
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99
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100 } else if (rc == NGX_DECLINED) {
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101 p->state->cache_state = NGX_HTTP_PROXY_CACHE_MISS;
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102 p->header_in->pos = p->header_in->start + p->cache->ctx.header_size;
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103 p->header_in->last = p->header_in->pos;
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104 }
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105
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106 if (p->lcf->busy_lock) {
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107 p->try_busy_lock = 1;
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108
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109 p->header_in->pos = p->header_in->start;
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110 p->header_in->last = p->header_in->start;
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111
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diff changeset
112 p->busy_lock.time = 0;
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
113 p->busy_lock.event = p->request->connection->read;
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
114 p->busy_lock.event_handler = ngx_http_proxy_busy_lock_handler;
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
115 p->busy_lock.md5 = p->cache->ctx.md5;
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
116
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
117 ngx_http_proxy_cache_busy_lock(p);
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
118 return NGX_DONE;
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
119 }
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
120
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
121 return ngx_http_proxy_request_upstream(p);
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
122 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
123
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
124
171
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
125 static int ngx_http_proxy_process_cached_header(ngx_http_proxy_ctx_t *p)
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
126 {
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
127 int rc, i;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
128 ngx_table_elt_t *h;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
129 ngx_http_request_t *r;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
130 ngx_http_proxy_cache_t *c;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
131
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
132 rc = ngx_http_proxy_parse_status_line(p);
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
133
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
134 c = p->cache;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
135 r = p->request;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
136
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
137 if (rc == NGX_AGAIN) {
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
138 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
139 "\"proxy_header_buffer_size\" "
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
140 "is too small to read header from \"%s\"",
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
141 c->ctx.file.name.data);
171
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
142 return NGX_ERROR;
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
143 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
144
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
145 if (rc == NGX_HTTP_PROXY_PARSE_NO_HEADER) {
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
146 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
147 "no valid HTTP/1.0 header in \"%s\"",
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
148 c->ctx.file.name.data);
171
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
149 return NGX_ERROR;
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
150 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
151
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
152 /* rc == NGX_OK */
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
153
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
154 c->status = p->status;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
155 c->status_line.len = p->status_end - p->status_start;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
156 c->status_line.data = ngx_palloc(r->pool, c->status_line.len + 1);
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
157 if (c->status_line.data == NULL) {
171
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
158 return NGX_ERROR;
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
159 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
160
174
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
161 /* reset for the possible parsing the upstream header */
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
162
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
163 p->status = 0;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
164 p->status_count = 0;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
165
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
166 ngx_cpystrn(c->status_line.data, p->status_start, c->status_line.len + 1);
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
167
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
168 ngx_log_debug(r->connection->log, "http cache status %d '%s'" _
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
169 c->status _ c->status_line.data);
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
170
176
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
171 /* TODO: ngx_init_table */
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
172 c->headers_in.headers = ngx_create_table(r->pool, 20);
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
173
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
174 for ( ;; ) {
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
175 rc = ngx_http_parse_header_line(r, p->header_in);
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
176
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
177 if (rc == NGX_OK) {
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
178
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
179 /* a header line has been parsed successfully */
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
180
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
181 h = ngx_http_add_header(&c->headers_in, ngx_http_proxy_headers_in);
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
182 if (h == NULL) {
171
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
183 return NGX_ERROR;
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
184 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
185
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
186 h->key.len = r->header_name_end - r->header_name_start;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
187 h->value.len = r->header_end - r->header_start;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
188
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
189 h->key.data = ngx_palloc(r->pool,
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
190 h->key.len + 1 + h->value.len + 1);
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
191 if (h->key.data == NULL) {
171
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
192 return NGX_ERROR;
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
193 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
194
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
195 h->value.data = h->key.data + h->key.len + 1;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
196 ngx_cpystrn(h->key.data, r->header_name_start, h->key.len + 1);
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
197 ngx_cpystrn(h->value.data, r->header_start, h->value.len + 1);
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
198
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
199 for (i = 0; ngx_http_proxy_headers_in[i].name.len != 0; i++) {
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
200 if (ngx_http_proxy_headers_in[i].name.len != h->key.len) {
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
201 continue;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
202 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
203
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
204 if (ngx_strcasecmp(ngx_http_proxy_headers_in[i].name.data,
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
205 h->key.data) == 0)
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
206 {
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
207 *((ngx_table_elt_t **) ((char *) &c->headers_in
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
208 + ngx_http_proxy_headers_in[i].offset)) = h;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
209 break;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
210 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
211 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
212
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
213 ngx_log_debug(r->connection->log, "HTTP cache header: '%s: %s'" _
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
214 h->key.data _ h->value.data);
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
215
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
216 continue;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
217
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
218 } else if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
219
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
220 /* a whole header has been parsed successfully */
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
221
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
222 ngx_log_debug(r->connection->log, "HTTP header done");
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
223
174
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
224 c->ctx.file_start = p->header_in->pos - p->header_in->start;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
225
171
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
226 return NGX_OK;
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
227
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
228 } else if (rc == NGX_HTTP_PARSE_INVALID_HEADER) {
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
229
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
230 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
231 "invalid header in \"%s\"",
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
232 c->ctx.file.name.data);
171
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
233 return NGX_ERROR;
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
234 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
235
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
236 /* rc == NGX_AGAIN || rc == NGX_HTTP_PARSE_TOO_LONG_HEADER */
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
237
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
238 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
239 "\"proxy_header_buffer_size\" "
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
240 "is too small to read header from \"%s\"",
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
241 c->ctx.file.name.data);
171
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
242 return NGX_ERROR;
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
243 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
244 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
245
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
246
176
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
247 void ngx_http_proxy_cache_busy_lock(ngx_http_proxy_ctx_t *p)
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
248 {
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
249 int rc, ft_type;
175
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 174
diff changeset
250
176
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
251 rc = ngx_http_busy_lock_cachable(p->lcf->busy_lock, &p->busy_lock,
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
252 p->try_busy_lock);
175
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 174
diff changeset
253
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 174
diff changeset
254 if (rc == NGX_OK) {
176
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
255 if (p->try_busy_lock) {
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
256 p->busy_locked = 1;
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
257 p->header_in->pos = p->header_in->start + p->cache->ctx.header_size;
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
258 p->header_in->last = p->header_in->pos;
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
259
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
260 ngx_http_proxy_request_upstream(p);
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
261 return;
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
262 }
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
263
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
264 ngx_http_proxy_cache_look_complete_request(p);
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
265 return;
175
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 174
diff changeset
266 }
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 174
diff changeset
267
176
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
268 p->try_busy_lock = 0;
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
269
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
270 if (p->cache->ctx.file.fd != NGX_INVALID_FILE
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
271 && !p->cache->ctx.file.info_valid)
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
272 {
186
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 185
diff changeset
273 if (ngx_fd_info(p->cache->ctx.file.fd, &p->cache->ctx.file.info)
176
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
274 == NGX_FILE_ERROR)
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
275 {
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
276 ngx_log_error(NGX_LOG_CRIT, p->request->connection->log, ngx_errno,
186
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 185
diff changeset
277 ngx_fd_info_n " \"%s\" failed",
176
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
278 p->cache->ctx.file.name.data);
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
279 ngx_http_proxy_finalize_request(p, NGX_HTTP_INTERNAL_SERVER_ERROR);
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
280 return;
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
281 }
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
282
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
283 p->cache->ctx.file.info_valid = 1;
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
284 }
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
285
189
c966c09be66b nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 186
diff changeset
286 if (rc == NGX_AGAIN) {
176
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
287
189
c966c09be66b nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 186
diff changeset
288 if ((ngx_event_flags & (NGX_USE_CLEAR_EVENT|NGX_HAVE_KQUEUE_EVENT))
c966c09be66b nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 186
diff changeset
289 && !p->request->connection->write->active)
c966c09be66b nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 186
diff changeset
290 {
c966c09be66b nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 186
diff changeset
291 /*
c966c09be66b nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 186
diff changeset
292 * kqueue allows to detect when client closes prematurely
c966c09be66b nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 186
diff changeset
293 * connection
c966c09be66b nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 186
diff changeset
294 */
c966c09be66b nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 186
diff changeset
295
c966c09be66b nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 186
diff changeset
296 p->request->connection->write->event_handler =
c966c09be66b nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 186
diff changeset
297 ngx_http_proxy_check_broken_connection;
c966c09be66b nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 186
diff changeset
298
c966c09be66b nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 186
diff changeset
299 if (ngx_add_event(p->request->connection->write, NGX_WRITE_EVENT,
c966c09be66b nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 186
diff changeset
300 NGX_CLEAR_EVENT) == NGX_ERROR)
c966c09be66b nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 186
diff changeset
301 {
c966c09be66b nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 186
diff changeset
302 ngx_http_proxy_finalize_request(p,
c966c09be66b nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 186
diff changeset
303 NGX_HTTP_INTERNAL_SERVER_ERROR);
c966c09be66b nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 186
diff changeset
304 return;
c966c09be66b nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 186
diff changeset
305 }
c966c09be66b nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 186
diff changeset
306 }
c966c09be66b nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 186
diff changeset
307
176
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
308 return;
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
309 }
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
310
178
a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
Igor Sysoev <igor@sysoev.ru>
parents: 177
diff changeset
311 ngx_http_busy_unlock(p->lcf->busy_lock, &p->busy_lock);
a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
Igor Sysoev <igor@sysoev.ru>
parents: 177
diff changeset
312
176
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
313 if (rc == NGX_DONE) {
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
314 ft_type = NGX_HTTP_PROXY_FT_BUSY_LOCK;
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
315
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
316 } else {
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
317 /* rc == NGX_ERROR */
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
318 ft_type = NGX_HTTP_PROXY_FT_MAX_WAITING;
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
319 }
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
320
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
321 if (p->stale && (p->lcf->use_stale & ft_type)) {
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
322 ngx_http_proxy_finalize_request(p,
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
323 ngx_http_proxy_send_cached_response(p));
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
324 return;
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
325 }
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
326
177
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 176
diff changeset
327 p->state->status = NGX_HTTP_SERVICE_UNAVAILABLE;
176
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
328 ngx_http_proxy_finalize_request(p, NGX_HTTP_SERVICE_UNAVAILABLE);
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
329 }
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
330
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
331
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
332 static void ngx_http_proxy_cache_look_complete_request(ngx_http_proxy_ctx_t *p)
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
333 {
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
334 int rc;
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
335 ngx_http_cache_ctx_t *ctx;
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
336
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
337 if (!(ctx = ngx_pcalloc(p->request->pool, sizeof(ngx_http_cache_ctx_t)))) {
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
338 ngx_http_proxy_finalize_request(p, NGX_HTTP_INTERNAL_SERVER_ERROR);
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
339 return;
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
340 }
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
341
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
342 *ctx = p->cache->ctx;
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
343
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
344 rc = ngx_http_cache_open_file(p->request, ctx,
186
c1f3a3c7c5db nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents: 185
diff changeset
345 ngx_file_uniq(&p->cache->ctx.file.info));
176
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
346
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
347 if (rc == NGX_HTTP_CACHE_THE_SAME) {
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
348 p->try_busy_lock = 1;
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
349 p->busy_lock.time = 0;
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
350 ngx_http_proxy_cache_busy_lock(p);
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
351 return;
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
352 }
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
353
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
354 ngx_log_debug(p->request->connection->log, "OLD: %d, NEW: %d" _
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
355 p->cache->ctx.file.fd _ ctx->file.fd);
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
356
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
357 if (p->cache->ctx.file.fd != NGX_INVALID_FILE) {
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
358 if (ngx_close_file(p->cache->ctx.file.fd) == NGX_FILE_ERROR) {
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
359 ngx_log_error(NGX_LOG_ALERT, p->request->connection->log, ngx_errno,
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
360 ngx_close_file_n " \"%s\" failed",
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
361 p->cache->ctx.file.name.data);
175
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 174
diff changeset
362 }
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 174
diff changeset
363 }
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 174
diff changeset
364
176
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
365 p->cache->ctx = *ctx;
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
366
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
367 p->status = 0;
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
368 p->status_count = 0;
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
369
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
370 ngx_http_proxy_finalize_request(p,
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
371 ngx_http_proxy_process_cached_response(p, rc));
175
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 174
diff changeset
372 }
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 174
diff changeset
373
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 174
diff changeset
374
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
375 int ngx_http_proxy_send_cached_response(ngx_http_proxy_ctx_t *p)
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
376 {
174
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
377 int rc, len, i;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
378 off_t rest;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
379 ngx_hunk_t *h0, *h1;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
380 ngx_chain_t out[2];
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
381 ngx_http_request_t *r;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
382
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
383 r = p->request;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
384
171
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
385 r->headers_out.status = p->cache->status;
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
386
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
387 #if 0
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
388 r->headers_out.content_length_n = -1;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
389 r->headers_out.content_length = NULL;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
390 #endif
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
391
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
392 /* copy an cached header to r->headers_out */
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
393
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
394 if (ngx_http_proxy_copy_header(p, &p->cache->headers_in) == NGX_ERROR) {
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
395 return NGX_HTTP_INTERNAL_SERVER_ERROR;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
396 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
397
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
398 /* we need to allocate all before the header would be sent */
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
399
174
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
400 len = p->header_in->end - (p->header_in->start + p->cache->ctx.file_start);
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
401
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
402 h0 = NULL;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
403 h1 = NULL;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
404
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
405 if (len) {
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
406 if (!((h0 = ngx_calloc_hunk(r->pool)))) {
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
407 return NGX_HTTP_INTERNAL_SERVER_ERROR;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
408 }
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
409
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
410 if (!((h0->file = ngx_pcalloc(r->pool, sizeof(ngx_file_t))))) {
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
411 return NGX_HTTP_INTERNAL_SERVER_ERROR;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
412 }
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
413 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
414
174
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
415 if (len < p->cache->ctx.length) {
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
416 if (!((h1 = ngx_calloc_hunk(r->pool)))) {
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
417 return NGX_HTTP_INTERNAL_SERVER_ERROR;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
418 }
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
419
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
420 if (!((h1->file = ngx_pcalloc(r->pool, sizeof(ngx_file_t))))) {
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
421 return NGX_HTTP_INTERNAL_SERVER_ERROR;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
422 }
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
423 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
424
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
425 rc = ngx_http_send_header(r);
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
426
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
427 /* NEEDED ??? */ p->header_sent = 1;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
428
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
429 if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) {
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
430 return rc;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
431 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
432
174
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
433 rest = p->cache->ctx.length;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
434
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
435 if (len) {
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
436 if (p->valid_header_in) {
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
437 h0->pos = p->header_in->start + p->cache->ctx.file_start;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
438
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
439 if (len > p->cache->ctx.length) {
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
440 h0->last = h0->pos + p->cache->ctx.length;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
441
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
442 } else {
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
443 h0->last = p->header_in->end;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
444 }
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
445
174
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
446 h0->type = NGX_HUNK_IN_MEMORY|NGX_HUNK_TEMP;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
447 }
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
448
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
449 h0->type |= NGX_HUNK_FILE;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
450 h0->file_pos = p->cache->ctx.file_start;
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
451
174
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
452 h0->file->fd = p->cache->ctx.file.fd;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
453 h0->file->log = r->connection->log;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
454
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
455 if (len > p->cache->ctx.length) {
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
456 h0->file_last = h0->file_pos + p->cache->ctx.length;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
457 rest = 0;
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
458
174
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
459 } else {
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
460 h0->file_last = h0->file_pos + len;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
461 rest -= len;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
462 }
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
463
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
464 out[0].hunk = h0;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
465 out[0].next = &out[1];
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
466 i = 0;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
467
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
468 } else {
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
469 i = -1;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
470 }
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
471
174
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
472 if (rest) {
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
473 h1->file_pos = p->cache->ctx.file_start + len;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
474 h1->file_last = h1->file_pos + rest;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
475 h1->type = NGX_HUNK_FILE;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
476
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
477 h1->file->fd = p->cache->ctx.file.fd;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
478 h1->file->log = r->connection->log;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
479
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
480 out[++i].hunk = h1;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
481 }
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
482
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
483 out[i].next = NULL;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
484 if (!r->main) {
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
485 out[i].hunk->type |= NGX_HUNK_LAST;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
486 }
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
487
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
488 return ngx_http_output_filter(r, out);
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
489 }
171
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
490
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
491
172
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
492 int ngx_http_proxy_is_cachable(ngx_http_proxy_ctx_t *p)
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
493 {
177
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 176
diff changeset
494 time_t date, last_modified, expires, t;
172
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
495 ngx_http_proxy_headers_in_t *h;
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
496
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
497 switch (p->upstream->status) {
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
498 case NGX_HTTP_OK:
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
499 case NGX_HTTP_MOVED_PERMANENTLY:
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
500 case NGX_HTTP_MOVED_TEMPORARILY:
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
501 break;
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
502
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
503 #if 0
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
504 case NGX_HTTP_NOT_MODIFIED:
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
505 return 1;
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
506 #endif
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
507
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
508 default:
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
509 return 0;
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
510 }
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
511
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
512 h = &p->upstream->headers_in;
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
513
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
514 date = NGX_ERROR;
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
515 if (h->date) {
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
516 date = ngx_http_parse_time(h->date->value.data, h->date->value.len);
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
517 }
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
518 if (date == NGX_ERROR) {
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
519 date = ngx_time();
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
520 }
174
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
521 p->cache->ctx.date = date;
172
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
522
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
523 last_modified = NGX_ERROR;
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
524 if (h->last_modified) {
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
525 last_modified = ngx_http_parse_time(h->last_modified->value.data,
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
526 h->last_modified->value.len);
174
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
527 p->cache->ctx.last_modified = last_modified;
172
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
528 }
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
529
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
530 if (h->x_accel_expires) {
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
531 expires = ngx_atoi(h->x_accel_expires->value.data,
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
532 h->x_accel_expires->value.len);
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
533 if (expires != NGX_ERROR) {
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
534 p->state->reason = NGX_HTTP_PROXY_CACHE_XAE;
177
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 176
diff changeset
535 p->state->expires = expires;
174
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
536 p->cache->ctx.expires = date + expires;
172
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
537 return (expires > 0);
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
538 }
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
539 }
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
540
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
541 if (!p->lcf->ignore_expires) {
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
542
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
543 /* TODO: Cache-Control: no-cache, max-age= */
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
544
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
545 if (h->expires) {
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
546 expires = ngx_http_parse_time(h->expires->value.data,
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
547 h->expires->value.len);
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
548 if (expires != NGX_ERROR) {
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
549 p->state->reason = NGX_HTTP_PROXY_CACHE_EXP;
177
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 176
diff changeset
550 p->state->expires = expires - date;
174
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
551 p->cache->ctx.expires = expires;
172
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
552 return (date < expires);
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
553 }
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
554 }
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
555 }
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
556
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
557 if (p->upstream->status == NGX_HTTP_MOVED_PERMANENTLY) {
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
558 p->state->reason = NGX_HTTP_PROXY_CACHE_MVD;
177
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 176
diff changeset
559 p->state->expires = /* STUB: 1 hour */ 60 * 60;
174
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
560 p->cache->ctx.expires = /* STUB: 1 hour */ 60 * 60;
172
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
561 return 1;
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
562 }
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
563
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
564 if (p->upstream->status == NGX_HTTP_MOVED_TEMPORARILY) {
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
565 return 1;
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
566 }
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
567
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
568 if (last_modified != NGX_ERROR && p->lcf->lm_factor > 0) {
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
569
174
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
570 /* FIXME: time_t == int_64_t, we can use fpu */
172
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
571
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
572 p->state->reason = NGX_HTTP_PROXY_CACHE_LMF;
177
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 176
diff changeset
573 t = (time_t)
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 176
diff changeset
574 ((((int64_t) (date - last_modified)) * p->lcf->lm_factor) / 100);
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 176
diff changeset
575 p->state->expires = t;
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 176
diff changeset
576 p->cache->ctx.expires = ngx_time() + t;
172
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
577 return 1;
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
578 }
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
579
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
580 if (p->lcf->default_expires > 0) {
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
581 p->state->reason = NGX_HTTP_PROXY_CACHE_PDE;
177
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 176
diff changeset
582 p->state->expires = p->lcf->default_expires;
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 176
diff changeset
583 p->cache->ctx.expires = ngx_time() + p->lcf->default_expires;
172
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
584 return 1;
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
585 }
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
586
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
587 return 0;
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
588 }
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
589
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
590
171
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
591 int ngx_http_proxy_update_cache(ngx_http_proxy_ctx_t *p)
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
592 {
175
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 174
diff changeset
593 ngx_event_pipe_t *ep;
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 174
diff changeset
594
171
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
595 if (p->cache == NULL) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
596 return NGX_OK;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
597 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
598
175
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 174
diff changeset
599 ep = p->upstream->event_pipe;
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 174
diff changeset
600
176
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
601 ngx_log_debug(p->request->connection->log, "LEN: " OFF_FMT ", " OFF_FMT _
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
602 p->cache->ctx.length _ ep->read_length);
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
603
175
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 174
diff changeset
604 if (p->cache->ctx.length == -1) {
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 174
diff changeset
605 /* TODO: test rc */
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 174
diff changeset
606 ngx_write_file(&ep->temp_file->file,
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 174
diff changeset
607 (char *) &ep->read_length, sizeof(off_t),
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 174
diff changeset
608 offsetof(ngx_http_cache_header_t, length));
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 174
diff changeset
609 }
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 174
diff changeset
610
171
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
611 return ngx_http_cache_update_file(p->request, &p->cache->ctx,
175
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 174
diff changeset
612 &ep->temp_file->file.name);
171
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
613 }